Live updates: A big day for Team USA on the track and US men take on Serbia in basketball semifinal

What to Know

• Noah Lyles, Erriyon Knighton and Kenny Bednarek are all medal threats in the men’s 200m final this afternoon.
• Speaking of medal threats — Tokyo gold medalist Sydney McLaughlin-Levrone is looking to defend her title in the women’s 400m hurdles this afternoon.
• USA plays in the semifinal rounds of men’s basketball (vs. Serbia), women’s water polo (vs. Australia) and women’s volleyball (vs. Brazil).
• And there’s more action in track and field — Tokyo silver medalist Grant Holloway is looking to medal in the men’s 110m hurdles, and athletes will be competing in the women’s long jump and men’s javelin throw.
• There’s also a medal race in women’s 10km marathon swimming that’s set for an early start (1:30 a.m. ET) — but it depends on the water quality in the Seine.